MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
Pocket - When you find something you want to view later, put it in Pocket.
Publicate - Build Beautiful Emails. Export and Send Anywhere.
Instapaper - Instapaper is a simple tool to save web pages for reading later.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
WebSatchel - Copy and save web pages to your own personal archive